Narrative:

I'm on an IFR flight plan from huf to jst, en route to gbr (final). ATC assigns lower altitude. I descend to 4600 ft assigned, which is near very bottom of cumulus layer. Moderate turbulence caused difficulty in holding altitude -- remain within 200 ft on altitude on vectors near jst, approximately 15 mi out. Vector to intercept, picked up over OM. ATC asked if I'd like 'back to gate.' ok. So I get vectors way out again, in the continued turbulence. Passenger are getting very sick. We are flying in and out of clouds, VFR to IFR areas where the whole sky opens up below and around and above. In one of these large openings, I cancel IFR to avoid more turbulence, ATC accepted cancellation but would not respond again when I asked to go to tower. I called tower and received SVFR to land at jst. Was about 15 mi out descending out of 4600 ft. I remained VFR, had no problem finding airport, and landed. An individual from the FBO yelled out the window to tell me to go talk to the tower (quite rudely). I walked over and the tower person called ZOB. I spoke with a supervisor who was upset about something, was vague and would not elaborate or say much of note except that he was definitely starting 'paper work.' I grew quite concerned, and am sure that I did not violate any rules, or act in an unsafe or careless fashion. The tower controller said he had 'no problem' and that everything was 'ok' with him on the approach and landing. He was helpful. The vectors were very strange, either too short and quick or too long and inadvertent. Time of confusion after canceling IFR was created by center not answering or saying 'go to tower' or 'frequency change approved' etc. I then filed IFR and flew to gbr. Took off 24 hours before tornado hit.

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Original NASA ASRS Text

Title: INFLT ENCOUNTER WITH WX, PLT CANCELS IFR TO ALLEVIATE THE PAX BEHAVIOR PHYSICAL DISCOMFORT.

Narrative: I'M ON AN IFR FLT PLAN FROM HUF TO JST, ENRTE TO GBR (FINAL). ATC ASSIGNS LOWER ALT. I DSND TO 4600 FT ASSIGNED, WHICH IS NEAR VERY BOTTOM OF CUMULUS LAYER. MODERATE TURB CAUSED DIFFICULTY IN HOLDING ALT -- REMAIN WITHIN 200 FT ON ALT ON VECTORS NEAR JST, APPROX 15 MI OUT. VECTOR TO INTERCEPT, PICKED UP OVER OM. ATC ASKED IF I'D LIKE 'BACK TO GATE.' OK. SO I GET VECTORS WAY OUT AGAIN, IN THE CONTINUED TURB. PAX ARE GETTING VERY SICK. WE ARE FLYING IN AND OUT OF CLOUDS, VFR TO IFR AREAS WHERE THE WHOLE SKY OPENS UP BELOW AND AROUND AND ABOVE. IN ONE OF THESE LARGE OPENINGS, I CANCEL IFR TO AVOID MORE TURB, ATC ACCEPTED CANCELLATION BUT WOULD NOT RESPOND AGAIN WHEN I ASKED TO GO TO TWR. I CALLED TWR AND RECEIVED SVFR TO LAND AT JST. WAS ABOUT 15 MI OUT DSNDING OUT OF 4600 FT. I REMAINED VFR, HAD NO PROB FINDING ARPT, AND LANDED. AN INDIVIDUAL FROM THE FBO YELLED OUT THE WINDOW TO TELL ME TO GO TALK TO THE TWR (QUITE RUDELY). I WALKED OVER AND THE TWR PERSON CALLED ZOB. I SPOKE WITH A SUPVR WHO WAS UPSET ABOUT SOMETHING, WAS VAGUE AND WOULD NOT ELABORATE OR SAY MUCH OF NOTE EXCEPT THAT HE WAS DEFINITELY STARTING 'PAPER WORK.' I GREW QUITE CONCERNED, AND AM SURE THAT I DID NOT VIOLATE ANY RULES, OR ACT IN AN UNSAFE OR CARELESS FASHION. THE TWR CTLR SAID HE HAD 'NO PROB' AND THAT EVERYTHING WAS 'OK' WITH HIM ON THE APCH AND LNDG. HE WAS HELPFUL. THE VECTORS WERE VERY STRANGE, EITHER TOO SHORT AND QUICK OR TOO LONG AND INADVERTENT. TIME OF CONFUSION AFTER CANCELING IFR WAS CREATED BY CTR NOT ANSWERING OR SAYING 'GO TO TWR' OR 'FREQ CHANGE APPROVED' ETC. I THEN FILED IFR AND FLEW TO GBR. TOOK OFF 24 HRS BEFORE TORNADO HIT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.